using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace CommonConsole
{
    class Program
    {
        static void Main()
        {
            var counter = 1;

            void Executable()
            {
                counter = 1;

                for (int i = 0; i < 3; i++)
                {
                    Console.WriteLine($"counter = {counter}");

                    counter++;
                }

                var exception = new Exception("Task end");

                Console.WriteLine(exception);
                Console.WriteLine();

                throw exception;
            }

            
            Start(Executable).Wait();
        }

        static Task Start(Action action, int counter = 0) 
            => Task.Factory
                .StartNew(action)
                .ContinueWith(_task =>
                {
                    if (_task.Status == TaskStatus.Faulted && counter < 5)
                    {
                        Start(action, counter + 1).Wait();
                    }
                });
    }
}